Description

4-Chloro-2-Methylbenzoic Acid is a versatile chlorinated aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its dual functional groups, which allow for selective chemical modifications, making it indispensable for creating complex molecular architectures. This compound is primarily sought after by the pharmaceutical, agrochemical, and specialty chemical industries for use as a key intermediate in active ingredient development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and plant growth regulators, where the chloromethyl benzoate structure provides bioactivity.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing azo dyes and other complex colorants.
• Liquid Crystal & OLED Materials: Acts as a building block for advanced electronic materials requiring specific aromatic and polar characteristics.
• Polymer Modification: Used to introduce carboxylic acid functionality into polymer chains for improved adhesion, cross-linking, or compatibility.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex organic molecules and exploring new chemical reactions.

Basic Information

Product Name	4-Chloro-2-Methylbenzoic Acid
CAS No.	7499-07-2
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	2-Methyl-4-chlorobenzoic acid; 4-Chloro-o-toluic acid; 4-Chloro-2-methylbenzenecarboxylic acid; Benzoic acid, 4-chloro-2-methyl-; 2-Methyl-4-chlorobenzoic acid; 4-Chloro-2-toluic acid; 4-Chloro-2-methyl benzoic acid
EINECS	231-355-2

Quality Control

Our 4-Chloro-2-Methylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthesis and industrial applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.